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Mechanical / HVAC Permit (Residential and Commercial) in Unincorporated Bingham County, Idaho

Required for installation, replacement, or change-out of gas piping, furnaces, AC units, heat pumps, fireplaces, wood/pellet stoves, and other HVAC/mechanical systems in existing buildings in unincorporated Bingham County. Issued directly by Bingham County (not the state) under the 2018 IMC/IFGC with state amendments (Bingham County Code 8-1-5, 8-1-6, 8-1-7). New-construction mechanical work is bundled into the building permit application instead.

Verified 2026-07-08 · Source

When you need this permit

  • Applies only to existing buildings — new construction mechanical work is submitted with the building permit application, not filed separately
  • Description of work must be specific and encompass all work performed
  • Mechanical drawing set required: Manual J, S, D calculations and mechanical layout
  • Apply online via binghamcountyid.viewpointcloud.com

Required documents

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Fee schedule

New retrofit gas piping with 1 applianceFee Schedule Resolution 2026-17
$100.00 + $25 for each additional appliance
Furnace, A/C, Heat Pump, Fireplace, new HVAC appliance (no new gas piping)Fee Schedule Resolution 2026-17
$75.00 each
Minor installation (dryer exhaust, bathroom/kitchen exhaust fans)Fee Schedule Resolution 2026-17
$25.00 each
Wood-burning fireplace / pellet stove installationFee Schedule Resolution 2026-17
$75.00
Gas meter re-installation or gas piping change-overFee Schedule Resolution 2026-17
$50.00
Hydronic heating systemFee Schedule Resolution 2026-17
$100.00
Manufactured home gas piping / hook-upFee Schedule Resolution 2026-17
$75.00
Commercial mechanicalFee Schedule Resolution 2026-17
2% of bid cost ($200 minimum)

Review timeline

Plan review
Not published — contact the department

How long did your Mechanical / HVAC Permit (Residential and Commercial) permit actually take in Unincorporated Bingham County?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Gas Piping Pressure Test

    Required before concealing gas piping, verifying no leaks under test pressure per 2018 IFGC

  2. 2

    Rough-In

    Mechanical equipment and ductwork verified before concealment; combined with other rough-in trades under current county inspection policy where applicable

  3. 3

    Final

    Equipment operational, combustion air and venting verified per 2018 IMC/IFGC

See the full Unincorporated Bingham County inspection guide — scheduling & re-inspection fees →

Tips

  • Mechanical permits apply only to existing buildings — for new construction, the HVAC scope of work and Manual J/D calcs are submitted with the building permit application instead of a separate mechanical permit.
  • All permits carry a $25 technology fee and no refunds are given past 7 days from submittal.
  • Commercial mechanical work is charged 2% of the bid cost with a $200 minimum, not the flat per-appliance residential fees.

Frequently asked questions

Unincorporated Bingham County requires a mechanical / hvac permit (residential and commercial) for: Applies only to existing buildings — new construction mechanical work is submitted with the building permit application, not filed separately; Description of work must be specific and encompass all work performed; Mechanical drawing set required: Manual J, S, D calculations and mechanical layout; Apply online via binghamcountyid.viewpointcloud.com. If your project isn't listed, confirm with Bingham County Planning & Development — Building Division at 208-782-3177 before starting work.

A furnace, AC, heat pump, or fireplace replacement (no new gas piping) is $75 per appliance, plus the $25 technology fee charged on all permits. If new gas piping is involved, the fee is $100 for the first appliance plus $25 for each additional appliance. Source: Bingham County Fee Schedule Resolution 2026-17.

Unincorporated Bingham County does not publish a plan-review timeline for this permit. Contact Bingham County Planning & Development — Building Division at 208-782-3177 for current turnaround.

You'll need: ViewPointCloud Online Mechanical Permit Application; Mechanical Drawing Set (Manual J, S, D + layout). See the required-documents checklist on this page for details on each.

Unincorporated Bingham County requires 3 inspection(s) for a mechanical / hvac permit (residential and commercial), in order: Gas Piping Pressure Test, Rough-In, Final. Schedule each through Bingham County Planning & Development — Building Division (208-782-3177).

Apply through Bingham County Planning & Development — Building Division at 490 N Maple, Suite A, Blackfoot, ID 83221. Phone: 208-782-3177, email: buildingpermits@binghamid.gov. Office hours: Mon–Fri 8:00 AM – 5:00 PM (closed state & federal holidays). Official information: https://www.binghamid.gov/Building-Construction.

Unincorporated Bingham County, Idaho has adopted: 2018 International Building Code (IBC) with Bingham County Amendments — Bingham County Code 8-1-1; 2018 International Building Code with State Amendments (IDAPA 24.39.30) — Bingham County Code 8-1-1A; 2018 International Residential Code (IRC) with Bingham County Amendments — Bingham County Code 8-1-2; 2018 International Residential Code with State Amendments (IDAPA 24.30.39) — Bingham County Code 8-1-2A; 2018 International Energy Conservation Code (IECC) with State Amendments (IDAPA 24.39.30) — Bingham County Code 8-1-3; 2018 International Energy Conservation Code with Bingham County Amendment — Bingham County Code 8-1-3A; 2018 International Existing Building Code (IEBC), no amendments — Bingham County Code 8-1-4; International Mechanical Code (IMC) with State Amendments — Bingham County Code 8-1-5; 2018 International Fuel Gas Code (IFGC) with State Amendments — Bingham County Code 8-1-6; IRC Part V (Mechanical) and Part VI (Fuel Gas) for one- and two-family dwellings — Bingham County Code 8-1-7; Manufactured home installation standards — Bingham County Code 8-1-8. Local amendments apply — see the Unincorporated Bingham County overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-08.

Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Unincorporated Bingham County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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Mechanical / HVAC Permit (Residential and Commercial) in other cities

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